甘愿的

例句：

1. 1.I am grateful for your help.
   我感激你的帮助。
2. 2.She was grateful to have been invited to the party.
   她很感激被邀请参加派对。
3. 3.He is always grateful for his parents' support.
   他总是对他的父母的支持心存感激。